Citazione Stile APA (7a Edizione)

Ritchie, D. (1983). Biology (2nd ed.). Addison-Wesley Publishing Company.

Citazione stile Chigago Style (17a edizione)

Ritchie, Donald. Biology. 2nd ed. Reading, Mass.: Addison-Wesley Publishing Company, 1983.

Citatione MLA (9a ed.)

Ritchie, Donald. Biology. 2nd ed. Addison-Wesley Publishing Company, 1983.